Based on data from 279 vehicles, 5,630 fuel-ups and 2,194,701 miles of driving, the 2024 GMC Sierra 1500 gets a combined Avg MPG of 21.49 with a 0.16 MPG margin of error.

Any Engine Type 2.7L L4 GAS (9) 3.0L L6 DIESEL (207) 5.3L V8 GAS (35) 6.2L V8 GAS (28) Any Body Style Standard Cab Pickup (1) Extended Cab Pickup (1) Crew Cab Pickup (45) Any Submodel SLE (4) Pro (6) Denali Ultimate (19) AT4X (22) SLT (35) Denali (51) Elevation (56) AT4 (86)

Below you can see a distribution of the fuel-ups with 48 outliers (0.85%) removed.

Following shows the average MPG of each of the 279 vehicles in the system.

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• PCM-Terry

  2024 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Oct 2023 • 85 Fuel-ups

  Property of TBCooper

• 24.7 Avg MPG

• My Sierra AT4

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Nov 2024 • 5 Fuel-ups

  Property of AT4MPG

• 25.6 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 10 Speed
  Added Nov 2024 • 5 Fuel-ups

  Property of whatth3

• 17.8 Avg MPG

• Denali

  2024 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 10 Speed
  Added Sep 2024 • 29 Fuel-ups

  Property of ahualoa

• 16.3 Avg MPG

• 2024 Sierra 1500 SLT

  2024 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 10 Speed
  Added Apr 2024 • 42 Fuel-ups

  Property of infonut

• 15.6 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Feb 2024 • 47 Fuel-ups

  Property of revmik

• 22.9 Avg MPG

• Sierra

  2024 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Dec 2023 • 35 Fuel-ups

  Property of Llory

• 16.3 Avg MPG

• Dads AT4

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Nov 2024 • 9 Fuel-ups

  Property of Pboerschlein

• 25.0 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
  Added Nov 2024 • 8 Fuel-ups

  Property of idahoboi

• 17.2 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
  Added Dec 2023 • 52 Fuel-ups

  Property of agbeyer

• 27.8 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 Elevation 3.0L L6 DIESEL Automatic 10 Speed
  Added Jun 2024 • 31 Fuel-ups

  Property of sundog282

• 22.6 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 SLT 3.0L L6 DIESEL Automatic 10 Speed
  Added Aug 2024 • 9 Fuel-ups

  Property of jflamang

• 22.8 Avg MPG

• 2024 AT4

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added May 2024 • 32 Fuel-ups

  Property of RandomUser8726

• 24.6 Avg MPG

• ‘24 AT4

  2024 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
  Added Sep 2024 • 7 Fuel-ups

  Property of brennancarpet

• 16.1 Avg MPG

• Alpha AT4 1500

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Oct 2023 • 49 Fuel-ups

  Property of Hup55

• 23.4 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 AT4X 3.0L L6 DIESEL Automatic 10 Speed
  Added Sep 2024 • 20 Fuel-ups

  Property of s4nsc

• 23.4 Avg MPG

• Hoyt’s 2024 GMC 1500 Denali

  2024 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
  Added Feb 2024 • 54 Fuel-ups

  Property of Texasoffshore

• 22.9 Avg MPG

• 24 GMC Bob

  2024 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
  Added Oct 2024 • 11 Fuel-ups

  Property of BascoBob

• 24.7 Avg MPG

• Denali

  2024 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Apr 2024 • 27 Fuel-ups

  Property of dquapp

• 28.8 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 Elevation 2.7L L4 GAS Automatic 8 Speed
  Added Oct 2024 • 7 Fuel-ups

  Property of StretchyGecko

• 18.5 Avg MPG

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